Depends on the type of soil, environmental conditions, and additives.
It's the amount of melanin in their skin; some have more than others, thus they are darker than others.
What Characters That Are Somewhat Thicker And Darker Than Others Are Called
Some parts of the ocean appear darker than others due to differences in the amount of sunlight that penetrates the water. Deeper areas or regions with more particles and organisms can absorb or scatter light, making the water appear darker.
because it depends if you have allot of dirt in your ear or if your ear is dirty
Some people have naturally darker skin than others. It all depends on what genes you end up with. Some white people have naturally darker skin, and some black people have naturally lighter skin.
The nucleus
because its darker than others
yellowish orange. some are darker than others though.
There is only a genetic colour difference. Some are lighter or darker than others.
Darker colors like black, will absorb more heat than lighter colors, such as white.
Because the lighter the pigment in your skin the less protected you are
they are not.